Vulnerability · Published Apr 29, 2021 · Assigned by mitre

CVE-2021-31879

Medium 6.1

In plain English

A medium-severity security flaw in the wget package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.1%top 34.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wgetno fix listedDEBIAN-CVE-2021-31879
Debian:13wgetno fix listedDEBIAN-CVE-2021-31879
Debian:14wgetno fix listedDEBIAN-CVE-2021-31879
Ubuntu:22.04:LTSwgetno fix listedUBUNTU-CVE-2021-31879
Ubuntu:24.04:LTSwgetno fix listedUBUNTU-CVE-2021-31879
Ubuntu:25.10wgetno fix listedUBUNTU-CVE-2021-31879
Ubuntu:26.04:LTSwgetno fix listedUBUNTU-CVE-2021-31879
Ubuntu:26.10wgetno fix listedUBUNTU-CVE-2021-31879

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References